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C/C++ Source or Header  |  2006-08-11  |  3.5 KB  |  164 lines

  1. #ifndef _ASM_PARISC_COMPAT_H
  2. #define _ASM_PARISC_COMPAT_H
  3. /*
  4.  * Architecture specific compatibility types
  5.  */
  6. #include <linux/types.h>
  7. #include <linux/sched.h>
  8. #include <linux/personality.h>
  9.  
  10. #define COMPAT_USER_HZ 100
  11.  
  12. typedef u32    compat_size_t;
  13. typedef s32    compat_ssize_t;
  14. typedef s32    compat_time_t;
  15. typedef s32    compat_clock_t;
  16. typedef s32    compat_pid_t;
  17. typedef u32    __compat_uid_t;
  18. typedef u32    __compat_gid_t;
  19. typedef u32    __compat_uid32_t;
  20. typedef u32    __compat_gid32_t;
  21. typedef u16    compat_mode_t;
  22. typedef u32    compat_ino_t;
  23. typedef u32    compat_dev_t;
  24. typedef s32    compat_off_t;
  25. typedef s64    compat_loff_t;
  26. typedef u16    compat_nlink_t;
  27. typedef u16    compat_ipc_pid_t;
  28. typedef s32    compat_daddr_t;
  29. typedef u32    compat_caddr_t;
  30. typedef s32    compat_timer_t;
  31.  
  32. typedef s32    compat_int_t;
  33. typedef s32    compat_long_t;
  34. typedef u32    compat_uint_t;
  35. typedef u32    compat_ulong_t;
  36.  
  37. struct compat_timespec {
  38.     compat_time_t        tv_sec;
  39.     s32            tv_nsec;
  40. };
  41.  
  42. struct compat_timeval {
  43.     compat_time_t        tv_sec;
  44.     s32            tv_usec;
  45. };
  46.  
  47. struct compat_stat {
  48.     compat_dev_t        st_dev;    /* dev_t is 32 bits on parisc */
  49.     compat_ino_t        st_ino;    /* 32 bits */
  50.     compat_mode_t        st_mode;    /* 16 bits */
  51.     compat_nlink_t      st_nlink;    /* 16 bits */
  52.     u16            st_reserved1;    /* old st_uid */
  53.     u16            st_reserved2;    /* old st_gid */
  54.     compat_dev_t        st_rdev;
  55.     compat_off_t        st_size;
  56.     compat_time_t        st_atime;
  57.     u32            st_atime_nsec;
  58.     compat_time_t        st_mtime;
  59.     u32            st_mtime_nsec;
  60.     compat_time_t        st_ctime;
  61.     u32            st_ctime_nsec;
  62.     s32            st_blksize;
  63.     s32            st_blocks;
  64.     u32            __unused1;    /* ACL stuff */
  65.     compat_dev_t        __unused2;    /* network */
  66.     compat_ino_t        __unused3;    /* network */
  67.     u32            __unused4;    /* cnodes */
  68.     u16            __unused5;    /* netsite */
  69.     short            st_fstype;
  70.     compat_dev_t        st_realdev;
  71.     u16            st_basemode;
  72.     u16            st_spareshort;
  73.     __compat_uid32_t    st_uid;
  74.     __compat_gid32_t    st_gid;
  75.     u32            st_spare4[3];
  76. };
  77.  
  78. struct compat_flock {
  79.     short            l_type;
  80.     short            l_whence;
  81.     compat_off_t        l_start;
  82.     compat_off_t        l_len;
  83.     compat_pid_t        l_pid;
  84. };
  85.  
  86. struct compat_flock64 {
  87.     short            l_type;
  88.     short            l_whence;
  89.     compat_loff_t        l_start;
  90.     compat_loff_t        l_len;
  91.     compat_pid_t        l_pid;
  92. };
  93.  
  94. struct compat_statfs {
  95.     s32        f_type;
  96.     s32        f_bsize;
  97.     s32        f_blocks;
  98.     s32        f_bfree;
  99.     s32        f_bavail;
  100.     s32        f_files;
  101.     s32        f_ffree;
  102.     __kernel_fsid_t    f_fsid;
  103.     s32        f_namelen;
  104.     s32        f_frsize;
  105.     s32        f_spare[5];
  106. };
  107.  
  108. struct compat_sigcontext {
  109.     compat_int_t sc_flags;
  110.     compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
  111.     u64 sc_fr[32];
  112.     compat_int_t sc_iasq[2];
  113.     compat_int_t sc_iaoq[2];
  114.     compat_int_t sc_sar; /* cr11 */
  115. };
  116.  
  117. #define COMPAT_RLIM_INFINITY 0xffffffff
  118.  
  119. typedef u32        compat_old_sigset_t;    /* at least 32 bits */
  120.  
  121. #define _COMPAT_NSIG        64
  122. #define _COMPAT_NSIG_BPW    32
  123.  
  124. typedef u32        compat_sigset_word;
  125.  
  126. #define COMPAT_OFF_T_MAX    0x7fffffff
  127. #define COMPAT_LOFF_T_MAX    0x7fffffffffffffffL
  128.  
  129. /*
  130.  * A pointer passed in from user mode. This should not
  131.  * be used for syscall parameters, just declare them
  132.  * as pointers because the syscall entry code will have
  133.  * appropriately comverted them already.
  134.  */
  135. typedef    u32        compat_uptr_t;
  136.  
  137. static inline void __user *compat_ptr(compat_uptr_t uptr)
  138. {
  139.     return (void __user *)(unsigned long)uptr;
  140. }
  141.  
  142. static inline compat_uptr_t ptr_to_compat(void __user *uptr)
  143. {
  144.     return (u32)(unsigned long)uptr;
  145. }
  146.  
  147. static __inline__ void __user *compat_alloc_user_space(long len)
  148. {
  149.     struct pt_regs *regs = ¤t->thread.regs;
  150.     return (void __user *)regs->gr[30];
  151. }
  152.  
  153. static inline int __is_compat_task(struct task_struct *t)
  154. {
  155.     return personality(t->personality) == PER_LINUX32;
  156. }
  157.  
  158. static inline int is_compat_task(void)
  159. {
  160.     return __is_compat_task(current);
  161. }
  162.  
  163. #endif /* _ASM_PARISC_COMPAT_H */
  164.